Loops are a commonly used structure in programming that allows you to repeat a block of code a set number of times, or until you meet a particular condition. This is useful for many reasons. For ...

If you’ve ever written any Python at all, the chances are you’ve used iterators without even realising it. Writing your own and using them in your programs can provide significant performance ...

set the total to 0 set more numbers to ‘yes’ while more numbers is ‘yes’, repeat these steps: input a number add the number to the total ask ‘Any more numbers? Yes/No’ say what the total is This ...